Abstract

The efficient operation of a TEA CO2 laser wherein the parallel spark channel preioniser of the laser itself functioned as a switch is reported. Simultaneous closure of the parallel gaps without an external switch has been achieved by ballasting them with mutually coupled inductances. The repetitive operation capability of such a laser is also discussed.

© 2007 Optical Society of America

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References

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  1. D. J. Biswas and J. P. Nilaya, "Repetitive transversely excited gas laser pulsers," Prog. Quantum Electron. 26, 1-63 (2002).
    [CrossRef]
  2. S. Friedman and R. F. Caristi, "Users guide to thyratrons for laser applications," Laser Focus p-70 (July 1987).
  3. H. Tanaka, H. Hatanaka, and M. Obara, "High-efficiency, all-solid-state exciters for high-repetition-rated, high-power TEA CO2 lasers," Rev. Sci. Instrum. 61, 2092-2096 (1990).
    [CrossRef]
  4. A. Sylvan, P. K. Bhadani, and R. G. Harrison, "A photo switched small TEA CO2 laser," Meas. Sci. Technol. 3, 200-203 (1992).
    [CrossRef]
  5. K . Jayaram and A. J. Alcock, "X-ray initiated high pressure glow discharges," Appl. Phys. Lett. 46, 636-638 (1985).
    [CrossRef]
  6. V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, "A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser," Inf. Phys. Technol. 44, 69-73 (2003).
    [CrossRef]
  7. D. J. Biswas, J. P. Nilaya, M. B. Sai Prasad, P. Raote, "Switch-less operation of a TEA CO2 laser," Opt. Express 13, 9636 (2005).
    [CrossRef] [PubMed]
  8. M. Kumar, P. Choudhary, S. Tiwari, and A. K. Nath, in:O. P. Nijhawan, A.K. Gupta, AK.Murla, K. Singh (Eds), Optics and Optoelectronics - Theory, Devices, and Applications, Vol 2, Narosa Pub., New Delhi, pp1017-1020 (1999).
  9. A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
    [CrossRef]
  10. C. Yamabe, T. Matsushita, S. Sato, K. Horii, "Characteristics of a TEA CO2 laser preionised by UV light," J. Appl. Phys. 51, 1345 (1980).
    [CrossRef]
  11. S. Howells and J. V. Cridland, "Performance of a TEA CO2 laser with high levels of O2 contamination,",J. Appl. Phys. 53, 5323 (1982).
    [CrossRef]
  12. D. J. Biswas, J. P. Nilaya, and A. Kumar, "Operation of Helium free TEA CO2 lasers," Opt. Commun. 248, 521 (2005).
    [CrossRef]
  13. N. Menyuk and P. F. Moulton, "Development of a high repetition rate mini-TEA CO2 laser," Rev. Sci. Instrum. 51, 216 (1980).
    [CrossRef]

2005 (2)

D. J. Biswas, J. P. Nilaya, M. B. Sai Prasad, P. Raote, "Switch-less operation of a TEA CO2 laser," Opt. Express 13, 9636 (2005).
[CrossRef] [PubMed]

D. J. Biswas, J. P. Nilaya, and A. Kumar, "Operation of Helium free TEA CO2 lasers," Opt. Commun. 248, 521 (2005).
[CrossRef]

2003 (1)

V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, "A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser," Inf. Phys. Technol. 44, 69-73 (2003).
[CrossRef]

2002 (1)

D. J. Biswas and J. P. Nilaya, "Repetitive transversely excited gas laser pulsers," Prog. Quantum Electron. 26, 1-63 (2002).
[CrossRef]

2001 (1)

A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
[CrossRef]

1992 (1)

A. Sylvan, P. K. Bhadani, and R. G. Harrison, "A photo switched small TEA CO2 laser," Meas. Sci. Technol. 3, 200-203 (1992).
[CrossRef]

1990 (1)

H. Tanaka, H. Hatanaka, and M. Obara, "High-efficiency, all-solid-state exciters for high-repetition-rated, high-power TEA CO2 lasers," Rev. Sci. Instrum. 61, 2092-2096 (1990).
[CrossRef]

1985 (1)

K . Jayaram and A. J. Alcock, "X-ray initiated high pressure glow discharges," Appl. Phys. Lett. 46, 636-638 (1985).
[CrossRef]

1982 (1)

S. Howells and J. V. Cridland, "Performance of a TEA CO2 laser with high levels of O2 contamination,",J. Appl. Phys. 53, 5323 (1982).
[CrossRef]

1980 (2)

C. Yamabe, T. Matsushita, S. Sato, K. Horii, "Characteristics of a TEA CO2 laser preionised by UV light," J. Appl. Phys. 51, 1345 (1980).
[CrossRef]

N. Menyuk and P. F. Moulton, "Development of a high repetition rate mini-TEA CO2 laser," Rev. Sci. Instrum. 51, 216 (1980).
[CrossRef]

Alcock, A. J.

K . Jayaram and A. J. Alcock, "X-ray initiated high pressure glow discharges," Appl. Phys. Lett. 46, 636-638 (1985).
[CrossRef]

Benerjee, N. S.

A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
[CrossRef]

Bhadani, P. K.

A. Sylvan, P. K. Bhadani, and R. G. Harrison, "A photo switched small TEA CO2 laser," Meas. Sci. Technol. 3, 200-203 (1992).
[CrossRef]

Bhatt, R. B.

A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
[CrossRef]

Biswas, D. J.

D. J. Biswas, J. P. Nilaya, M. B. Sai Prasad, P. Raote, "Switch-less operation of a TEA CO2 laser," Opt. Express 13, 9636 (2005).
[CrossRef] [PubMed]

D. J. Biswas, J. P. Nilaya, and A. Kumar, "Operation of Helium free TEA CO2 lasers," Opt. Commun. 248, 521 (2005).
[CrossRef]

V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, "A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser," Inf. Phys. Technol. 44, 69-73 (2003).
[CrossRef]

D. J. Biswas and J. P. Nilaya, "Repetitive transversely excited gas laser pulsers," Prog. Quantum Electron. 26, 1-63 (2002).
[CrossRef]

A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
[CrossRef]

Cridland, J. V.

S. Howells and J. V. Cridland, "Performance of a TEA CO2 laser with high levels of O2 contamination,",J. Appl. Phys. 53, 5323 (1982).
[CrossRef]

Harrison, R. G.

A. Sylvan, P. K. Bhadani, and R. G. Harrison, "A photo switched small TEA CO2 laser," Meas. Sci. Technol. 3, 200-203 (1992).
[CrossRef]

Hatanaka, H.

H. Tanaka, H. Hatanaka, and M. Obara, "High-efficiency, all-solid-state exciters for high-repetition-rated, high-power TEA CO2 lasers," Rev. Sci. Instrum. 61, 2092-2096 (1990).
[CrossRef]

Horii, K.

C. Yamabe, T. Matsushita, S. Sato, K. Horii, "Characteristics of a TEA CO2 laser preionised by UV light," J. Appl. Phys. 51, 1345 (1980).
[CrossRef]

Howells, S.

S. Howells and J. V. Cridland, "Performance of a TEA CO2 laser with high levels of O2 contamination,",J. Appl. Phys. 53, 5323 (1982).
[CrossRef]

Jayaram, K

K . Jayaram and A. J. Alcock, "X-ray initiated high pressure glow discharges," Appl. Phys. Lett. 46, 636-638 (1985).
[CrossRef]

Kumar, A.

D. J. Biswas, J. P. Nilaya, and A. Kumar, "Operation of Helium free TEA CO2 lasers," Opt. Commun. 248, 521 (2005).
[CrossRef]

A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
[CrossRef]

Matsushita, T.

C. Yamabe, T. Matsushita, S. Sato, K. Horii, "Characteristics of a TEA CO2 laser preionised by UV light," J. Appl. Phys. 51, 1345 (1980).
[CrossRef]

Menyuk, N.

N. Menyuk and P. F. Moulton, "Development of a high repetition rate mini-TEA CO2 laser," Rev. Sci. Instrum. 51, 216 (1980).
[CrossRef]

Mokhriwale, A.

A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
[CrossRef]

Moulton, P. F.

N. Menyuk and P. F. Moulton, "Development of a high repetition rate mini-TEA CO2 laser," Rev. Sci. Instrum. 51, 216 (1980).
[CrossRef]

Narayan, B. S.

V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, "A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser," Inf. Phys. Technol. 44, 69-73 (2003).
[CrossRef]

Nilaya, J. P.

D. J. Biswas, J. P. Nilaya, M. B. Sai Prasad, P. Raote, "Switch-less operation of a TEA CO2 laser," Opt. Express 13, 9636 (2005).
[CrossRef] [PubMed]

D. J. Biswas, J. P. Nilaya, and A. Kumar, "Operation of Helium free TEA CO2 lasers," Opt. Commun. 248, 521 (2005).
[CrossRef]

D. J. Biswas and J. P. Nilaya, "Repetitive transversely excited gas laser pulsers," Prog. Quantum Electron. 26, 1-63 (2002).
[CrossRef]

Nundy, U.

V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, "A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser," Inf. Phys. Technol. 44, 69-73 (2003).
[CrossRef]

A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
[CrossRef]

Obara, M.

H. Tanaka, H. Hatanaka, and M. Obara, "High-efficiency, all-solid-state exciters for high-repetition-rated, high-power TEA CO2 lasers," Rev. Sci. Instrum. 61, 2092-2096 (1990).
[CrossRef]

Raote, P.

Sai Prasad, M. B.

Sato, S.

C. Yamabe, T. Matsushita, S. Sato, K. Horii, "Characteristics of a TEA CO2 laser preionised by UV light," J. Appl. Phys. 51, 1345 (1980).
[CrossRef]

Singal, V. P.

V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, "A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser," Inf. Phys. Technol. 44, 69-73 (2003).
[CrossRef]

Sylvan, A.

A. Sylvan, P. K. Bhadani, and R. G. Harrison, "A photo switched small TEA CO2 laser," Meas. Sci. Technol. 3, 200-203 (1992).
[CrossRef]

Tanaka, H.

H. Tanaka, H. Hatanaka, and M. Obara, "High-efficiency, all-solid-state exciters for high-repetition-rated, high-power TEA CO2 lasers," Rev. Sci. Instrum. 61, 2092-2096 (1990).
[CrossRef]

Vijayan, R.

V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, "A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser," Inf. Phys. Technol. 44, 69-73 (2003).
[CrossRef]

Yamabe, C.

C. Yamabe, T. Matsushita, S. Sato, K. Horii, "Characteristics of a TEA CO2 laser preionised by UV light," J. Appl. Phys. 51, 1345 (1980).
[CrossRef]

Appl. Phys. Lett. (1)

K . Jayaram and A. J. Alcock, "X-ray initiated high pressure glow discharges," Appl. Phys. Lett. 46, 636-638 (1985).
[CrossRef]

Inf. Phys. Technol. (1)

V. P. Singal, R. Vijayan, B. S. Narayan, D. J. Biswas, U. Nundy, "A highly efficient electron beam controlled switchless multi-joule TEA CO2 laser," Inf. Phys. Technol. 44, 69-73 (2003).
[CrossRef]

J. Appl. Phys. (2)

C. Yamabe, T. Matsushita, S. Sato, K. Horii, "Characteristics of a TEA CO2 laser preionised by UV light," J. Appl. Phys. 51, 1345 (1980).
[CrossRef]

S. Howells and J. V. Cridland, "Performance of a TEA CO2 laser with high levels of O2 contamination,",J. Appl. Phys. 53, 5323 (1982).
[CrossRef]

Meas. Sci. Technol. (2)

A. Kumar, R. B. Bhatt, D. J. Biswas, N. S. Benerjee, A. Mokhriwale, U. Nundy, "A novel method of measuring delay between the pre and the main discharges in TE gas lasers," Meas. Sci. Technol. 12, 1739 (2001).
[CrossRef]

A. Sylvan, P. K. Bhadani, and R. G. Harrison, "A photo switched small TEA CO2 laser," Meas. Sci. Technol. 3, 200-203 (1992).
[CrossRef]

Opt. Commun. (1)

D. J. Biswas, J. P. Nilaya, and A. Kumar, "Operation of Helium free TEA CO2 lasers," Opt. Commun. 248, 521 (2005).
[CrossRef]

Opt. Express (1)

Prog. Quantum Electron. (1)

D. J. Biswas and J. P. Nilaya, "Repetitive transversely excited gas laser pulsers," Prog. Quantum Electron. 26, 1-63 (2002).
[CrossRef]

Rev. Sci. Instrum. (2)

H. Tanaka, H. Hatanaka, and M. Obara, "High-efficiency, all-solid-state exciters for high-repetition-rated, high-power TEA CO2 lasers," Rev. Sci. Instrum. 61, 2092-2096 (1990).
[CrossRef]

N. Menyuk and P. F. Moulton, "Development of a high repetition rate mini-TEA CO2 laser," Rev. Sci. Instrum. 51, 216 (1980).
[CrossRef]

Other (2)

S. Friedman and R. F. Caristi, "Users guide to thyratrons for laser applications," Laser Focus p-70 (July 1987).

M. Kumar, P. Choudhary, S. Tiwari, and A. K. Nath, in:O. P. Nijhawan, A.K. Gupta, AK.Murla, K. Singh (Eds), Optics and Optoelectronics - Theory, Devices, and Applications, Vol 2, Narosa Pub., New Delhi, pp1017-1020 (1999).

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Figures (8)

Fig. 1.
Fig. 1.

Schematic diagram of a conventional parallel spark preioniser driven by a switch. ‘Z’ represents the ballast element.

Fig. 2.
Fig. 2.

Schematic diagram of the switch-less parallel spark preioniser. The spark channels are ballasted by mutually coupled inductances

Fig. 3.
Fig. 3.

A 3-D view of the laser head and the preionization chamber.

Fig. 4.
Fig. 4.

Schematic diagram of the excitation circuit used for energizing the laser. C1=C2=2 nF, Csp=100 pF, L=~8μH. MCI represents the mutually coupled inductance circuit shown in fig 2.

Fig. 5.
Fig. 5.

The electro-optic efficiency of the laser as a function of the charging voltage of the capacitors for a gas mixture CO2:N2:He::1:1:1

Fig. 6.
Fig. 6.

The output energy as a function of the charging voltage of the capacitors for a gas mixture CO2:N2:He::1:1:1

Fig. 7.
Fig. 7.

The temporal profile of the laser emission as recorded by a fast detector.

Fig. 8.
Fig. 8.

Dependence of the output energy on the repetition rate.

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